What is the value of the function y=1/8x−13 when x=−4 ?
i think its -13.5
The value of the function is not -13.5. Let's evaluate it to find the correct answer:
y = (1/8)x - 13
When x = -4:
y = (1/8)(-4) - 13
y = (-1/2) - 13
y = -1/2 - 26/2
y = -27/2
y = -13.5
Therefore, the value of the function when x = -4 is indeed -13.5. Your initial guess was correct.